1250383 Commits

Author SHA1 Message Date
Zhihao Cheng
6379b44cdc ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path
For error handling path in ubifs_symlink(), inode will be marked as
bad first, then iput() is invoked. If inode->i_link is initialized by
fscrypt_encrypt_symlink() in encryption scenario, inode->i_link won't
be freed by callchain ubifs_free_inode -> fscrypt_free_inode in error
handling path, because make_bad_inode() has changed 'inode->i_mode' as
'S_IFREG'.
Following kmemleak is easy to be reproduced by injecting error in
ubifs_jnl_update() when doing symlink in encryption scenario:
 unreferenced object 0xffff888103da3d98 (size 8):
  comm "ln", pid 1692, jiffies 4294914701 (age 12.045s)
  backtrace:
   kmemdup+0x32/0x70
   __fscrypt_encrypt_symlink+0xed/0x1c0
   ubifs_symlink+0x210/0x300 [ubifs]
   vfs_symlink+0x216/0x360
   do_symlinkat+0x11a/0x190
   do_syscall_64+0x3b/0xe0
There are two ways fixing it:
 1. Remove make_bad_inode() in error handling path. We can do that
    because ubifs_evict_inode() will do same processes for good
    symlink inode and bad symlink inode, for inode->i_nlink checking
    is before is_bad_inode().
 2. Free inode->i_link before marking inode bad.
Method 2 is picked, it has less influence, personally, I think.

Cc: stable@vger.kernel.org
Fixes: 2c58d548f570 ("fscrypt: cache decrypted symlink target in ->i_link")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:40:39 +01:00
Zhihao Cheng
31a9d5f329 ubifs: dbg_check_idx_size: Fix kmemleak if loading znode failed
If function dbg_check_idx_size() failed by loading znode in mounting
process, there are two problems:
  1. Allocated znodes won't be freed, which causes kmemleak in kernel:
     ubifs_mount
      dbg_check_idx_size
       dbg_walk_index
        c->zroot.znode = ubifs_load_znode
	child = ubifs_load_znode // failed
	// Loaded znodes won't be freed in error handling path.
  2. Global variable ubifs_clean_zn_cnt is not decreased, because
     ubifs_tnc_close() is not invoked in error handling path, which
     triggers a warning in ubifs_exit():
      WARNING: CPU: 1 PID: 1576 at fs/ubifs/super.c:2486 ubifs_exit
      Modules linked in: zstd ubifs(-) ubi nandsim
      CPU: 1 PID: 1576 Comm: rmmod Not tainted 6.7.0-rc6
      Call Trace:
	ubifs_exit+0xca/0xc70 [ubifs]
	__do_sys_delete_module+0x29a/0x4a0
	do_syscall_64+0x6f/0x140

Fix it by adding error handling path in dbg_check_idx_size() to release
tnc tree.

Fixes: 1e51764a3c2a ("UBIFS: add new flash file system")
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Suggested-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:40:11 +01:00
ZhaoLong Wang
9277b3a649 ubi: Correct the number of PEBs after a volume resize failure
In the error handling path `out_acc` of `ubi_resize_volume()`,
when `pebs < 0`, it indicates that the volume table record failed to
update when the volume was shrunk. In this case, the number of `ubi->avail_pebs`
and `ubi->rsvd_pebs` should be restored to their previous values to prevent
the UBI layer from reporting an incorrect number of available PEBs.

Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:39:08 +01:00
Guo Xuenan
fbed4baed0 ubi: fix slab-out-of-bounds in ubi_eba_get_ldesc+0xfb/0x130
When using the ioctl interface to resize a UBI volume, `ubi_resize_volume`
resizes the EBA table first but does not change `vol->reserved_pebs` in
the same atomic context, which may cause concurrent access to the EBA table.

For example, when a user shrinks UBI volume A by calling `ubi_resize_volume`,
while another thread is writing to volume B and triggering wear-leveling,
which may call `ubi_write_fastmap`, under these circumstances, KASAN may
report a slab-out-of-bounds error in `ubi_eba_get_ldesc+0xfb/0x130`.

This patch fixes race conditions in `ubi_resize_volume` and
`ubi_update_fastmap` to avoid out-of-bounds reads of `eba_tbl`. First,
it ensures that updates to `eba_tbl` and `reserved_pebs` are protected
by `vol->volumes_lock`. Second, it implements a rollback mechanism in case
of resize failure. It is also worth mentioning that for volume shrinkage
failures, since part of the volume has already been shrunk and unmapped,
there is no need to recover `{rsvd/avail}_pebs`.

==================================================================
BUG: KASAN: slab-out-of-bounds in ubi_eba_get_ldesc+0xfb/0x130 [ubi]
Read of size 4 at addr ffff88800f43f570 by task kworker/u16:0/7
CPU: 0 PID: 7 Comm: kworker/u16:0 Not tainted 5.16.0-rc7 #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014
Workqueue: writeback wb_workfn (flush-ubifs_0_0)
Call Trace:
 <TASK>
 dump_stack_lvl+0x4d/0x66
 print_address_description.constprop.0+0x41/0x60
 kasan_report.cold+0x83/0xdf
 ubi_eba_get_ldesc+0xfb/0x130 [ubi]
 ubi_update_fastmap.cold+0x60f/0xc7d [ubi]
 ubi_wl_get_peb+0x25b/0x4f0 [ubi]
 try_write_vid_and_data+0x9a/0x4d0 [ubi]
 ubi_eba_write_leb+0x7e4/0x17d0 [ubi]
 ubi_leb_map+0x1a0/0x2c0 [ubi]
 ubifs_leb_map+0x139/0x270 [ubifs]
 ubifs_add_bud_to_log+0xb40/0xf30 [ubifs]
 make_reservation+0x86e/0xb00 [ubifs]
 ubifs_jnl_write_data+0x430/0x9d0 [ubifs]
 do_writepage+0x1d1/0x550 [ubifs]
 ubifs_writepage+0x37c/0x670 [ubifs]
 __writepage+0x67/0x170
 write_cache_pages+0x259/0xa90
 do_writepages+0x277/0x5d0
 __writeback_single_inode+0xb8/0x850
 writeback_sb_inodes+0x4b3/0xb20
 __writeback_inodes_wb+0xc1/0x220
 wb_writeback+0x59f/0x740
 wb_workfn+0x6d0/0xca0
 process_one_work+0x711/0xfc0
 worker_thread+0x95/0xd00
 kthread+0x3a6/0x490
 ret_from_fork+0x1f/0x30
 </TASK>

Allocated by task 711:
 kasan_save_stack+0x1e/0x50
 __kasan_kmalloc+0x81/0xa0
 ubi_eba_create_table+0x88/0x1a0 [ubi]
 ubi_resize_volume.cold+0x175/0xae7 [ubi]
 ubi_cdev_ioctl+0x57f/0x1a60 [ubi]
 __x64_sys_ioctl+0x13a/0x1c0
 do_syscall_64+0x35/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Last potentially related work creation:
 kasan_save_stack+0x1e/0x50
 __kasan_record_aux_stack+0xb7/0xc0
 call_rcu+0xd6/0x1000
 blk_stat_free_callback+0x28/0x30
 blk_release_queue+0x8a/0x2e0
 kobject_put+0x186/0x4c0
 scsi_device_dev_release_usercontext+0x620/0xbd0
 execute_in_process_context+0x2f/0x120
 device_release+0xa4/0x240
 kobject_put+0x186/0x4c0
 put_device+0x20/0x30
 __scsi_remove_device+0x1c3/0x300
 scsi_probe_and_add_lun+0x2140/0x2eb0
 __scsi_scan_target+0x1f2/0xbb0
 scsi_scan_channel+0x11b/0x1a0
 scsi_scan_host_selected+0x24c/0x310
 do_scsi_scan_host+0x1e0/0x250
 do_scan_async+0x45/0x490
 async_run_entry_fn+0xa2/0x530
 process_one_work+0x711/0xfc0
 worker_thread+0x95/0xd00
 kthread+0x3a6/0x490
 ret_from_fork+0x1f/0x30
The buggy address belongs to the object at ffff88800f43f500
 which belongs to the cache kmalloc-128 of size 128
The buggy address is located 112 bytes inside of
 128-byte region [ffff88800f43f500, ffff88800f43f580)
The buggy address belongs to the page:
page:ffffea00003d0f00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf43c
head:ffffea00003d0f00 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x1fffff80010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)
raw: 001fffff80010200 ffffea000046ba08 ffffea0000457208 ffff88810004d1c0
raw: 0000000000000000 0000000000190019 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
 ffff88800f43f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88800f43f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
> ffff88800f43f500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
                                                             ^
 ffff88800f43f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88800f43f600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc

The following steps can used to reproduce:
Process 1: write and trigger ubi wear-leveling
    ubimkvol /dev/ubi0 -s 5000MiB -N v1
    ubimkvol /dev/ubi0 -s 2000MiB -N v2
    ubimkvol /dev/ubi0 -s 10MiB -N v3
    mount -t ubifs /dev/ubi0_0 /mnt/ubifs
    while true;
    do
        filename=/mnt/ubifs/$((RANDOM))
        dd if=/dev/random of=${filename} bs=1M count=$((RANDOM % 1000))
        rm -rf ${filename}
        sync /mnt/ubifs/
    done

Process 2: do random resize
    struct ubi_rsvol_req req;
    req.vol_id = 1;
    req.bytes = (rand() % 50) * 512KB;
    ioctl(fd, UBI_IOCRSVOL, &req);

V3:
 - Fix the commit message error.

V2:
 - Add volumes_lock in ubi_eba_copy_leb() to avoid race caused by
   updating eba_tbl.

V1:
 - Rebase the patch on the latest mainline.

Signed-off-by: Guo Xuenan <guoxuenan@huawei.com>
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:38:41 +01:00
Zhang Yi
7f174ae4f3 ubi: correct the calculation of fastmap size
Now that the calculation of fastmap size in ubi_calc_fm_size() is
incorrect since it miss each user volume's ubi_fm_eba structure and the
Internal UBI volume info. Let's correct the calculation.

Cc: stable@vger.kernel.org
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:30:15 +01:00
Kunwu Chan
788cd161f9 ubifs: Remove unreachable code in dbg_check_ltab_lnum
Because there is no break statement in the dead loop above,it is
impossible to execute the 'err=0' statement.Delete the code that
will never execute.

Fixes: 6fb324a4b0c3 ("UBIFS: allocate ltab checking buffer on demand")
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Cc: Kunwu Chan <kunwu.chan@hotmail.com>
Suggested-by: Richard Weinberger <richard.weinberger@gmail.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:29:30 +01:00
Arnd Bergmann
ec724e534d ubifs: fix function pointer cast warnings
ubifs has a number of callback functions for ubifs_lpt_scan_nolock() using
two different prototypes, either passing a struct scan_data or
a struct ubifs_lp_stats, but the caller expects a void pointer instead.

clang-16 now warns about this:

fs/ubifs/find.c:170:9: error: cast from 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, struct scan_data *)' to 'ubifs_lpt_scan_callback' (aka 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  170 |                                     (ubifs_lpt_scan_callback)scan_for_dirty_cb,
      |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fs/ubifs/find.c:449:9: error: cast from 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, struct scan_data *)' to 'ubifs_lpt_scan_callback' (aka 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  449 |                                     (ubifs_lpt_scan_callback)scan_for_free_cb,
      |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Change all of these callback functions to actually take the void * argument
that is passed by their caller.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:22:21 +01:00
Arnd Bergmann
60f16e912a ubifs: fix sort function prototype
The global sort() function expects a callback pointer to a function with two
void* arguments, but ubifs has a function with specific object types, which
causes a warning in clang-16 and higher:

fs/ubifs/lprops.c:1272:9: error: cast from 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, struct ubifs_lp_stats *)' to 'ubifs_lpt_scan_callback' (aka 'int (*)(struct ubifs_info *, const struct ubifs_lprops *, int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
 1272 |                                     (ubifs_lpt_scan_callback)scan_check_cb,
      |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Change the prototype to the regular one and cast the object pointers
locally instead.

Fixes: 1e51764a3c2a ("UBIFS: add new flash file system")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:21:58 +01:00
Richard Weinberger
68a24aba7c ubi: Check for too small LEB size in VTBL code
If the LEB size is smaller than a volume table record we cannot
have volumes.
In this case abort attaching.

Cc: Chenyuan Yang <cy54@illinois.edu>
Cc: stable@vger.kernel.org
Fixes: 801c135ce73d ("UBI: Unsorted Block Images")
Reported-by: Chenyuan Yang <cy54@illinois.edu>
Closes: https://lore.kernel.org/linux-mtd/1433EB7A-FC89-47D6-8F47-23BE41B263B3@illinois.edu/
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
2024-02-25 21:19:42 +01:00
Richard Weinberger
eb54235315 MAINTAINERS: Add Zhihao Cheng as UBI/UBIFS reviewer
Recognizing Zhihao Cheng's valuable contributions,
let's officially appoint him as a UBI/UBIFS reviewer.
His demonstrated expertise and assistance make him a valuable
addition to the MTD community.

Cc: Zhihao Cheng <chengzhihao1@huawei.com>
Acked-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:18:58 +01:00
Matthew Wilcox (Oracle)
a16bfab367 ubifs: Convert populate_page() to take a folio
Both callers now have a folio, so pass it in.  This function contains
several assumptions that folios are not large.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:02 +01:00
Matthew Wilcox (Oracle)
d06192731c ubifs: Use a folio in ubifs_do_bulk_read()
When looking in the page cache, retrieve a folio instead of a page.
This would need some work to make it safe for large folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:02 +01:00
Matthew Wilcox (Oracle)
7f348f8ce5 ubifs: Pass a folio into ubifs_bulk_read() and ubifs_do_bulk_read()
This saves a single call to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:02 +01:00
Matthew Wilcox (Oracle)
45d76698d1 ubifs: Convert cancel_budget() to take a folio
The one caller already has a folio, so pass it in instead of the page.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:01 +01:00
Matthew Wilcox (Oracle)
a3c2f196cd ubifs: Convert allocate_budget() to work on a folio
The one caller has a folio, so pass it in instead of the page.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:01 +01:00
Matthew Wilcox (Oracle)
b96af1fdb4 ubifs: Convert do_readpage() to take a folio
All the callers now have a folio, so pass it in, and convert do_readpage()
to us folios directly.  Includes unifying the exit paths from this
function and using kmap_local instead of plain kmap.  This function
should now work with large folios, but this is not tested.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:01 +01:00
Matthew Wilcox (Oracle)
ffdff813d5 ubifs: Convert ubifs_write_end() to use a folio
Convert the incoming page pointer to a folio and use it throughout,
saving several calls to compound_head().  Also remove some PAGE_SIZE
assumptions.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:01 +01:00
Matthew Wilcox (Oracle)
f60d356e6c ubifs: Convert ubifs_write_begin() to use a folio
Save eight calls to compound_head() by using the new folio API.
Remove a few assumptions that would break with large folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:00 +01:00
Matthew Wilcox (Oracle)
2ec718435a ubifs: Convert write_begin_slow() to use a folio
Update to new APIs, removing several calls to compound_head() and
including support for large folios.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:00 +01:00
Matthew Wilcox (Oracle)
85ffbf5557 ubifs: Convert ubifs_vm_page_mkwrite() to use a folio
Replace six implicit calls to compound_head() with one.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:00 +01:00
Matthew Wilcox (Oracle)
0c2d140c1f ubifs: Convert do_writepage() to take a folio
Replace the call to SetPageError() with a call to mapping_set_error().
Support large folios by using kmap_local_folio() and remapping each time
we cross a page boundary.  Saves a lot of hidden calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:00 +01:00
Matthew Wilcox (Oracle)
783d074167 ubifs: Use a folio in do_truncation()
Convert from the old page APIs to the new folio APIs which saves
a few hidden calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:08:00 +01:00
Matthew Wilcox (Oracle)
c35acef383 ubifs: Convert ubifs_writepage to use a folio
We still pass the page down to do_writepage(), but ubifs_writepage()
itself is now large folio safe.  It also contains far fewer hidden calls
to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:07:59 +01:00
Matthew Wilcox (Oracle)
0df030d082 ubifs: Convert from writepage to writepages
This is a simplistic conversion to separate out any effects of
no longer having a writepage method.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:07:59 +01:00
Matthew Wilcox (Oracle)
723012cab7 ubifs: Set page uptodate in the correct place
Page cache reads are lockless, so setting the freshly allocated page
uptodate before we've overwritten it with the data it's supposed to have
in it will allow a simultaneous reader to see old data.  Move the call
to SetPageUptodate into ubifs_write_end(), which is after we copied the
new data into the page.

Fixes: 1e51764a3c2a ("UBIFS: add new flash file system")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2024-02-25 21:07:59 +01:00
Linus Torvalds
b401b62175 Linux 6.8-rc5 v6.8-rc5 2024-02-18 12:56:25 -08:00
Linus Torvalds
6c160f16be Kbuild fixes for v6.8 (2nd)
- Reformat nested if-conditionals in Makefiles with 4 spaces
 
  - Fix CONFIG_DEBUG_INFO_BTF builds for big endian
 
  - Fix modpost for module srcversion
 
  - Fix an escape sequence warning in gen_compile_commands.py
 
  - Fix kallsyms to ignore ARMv4 thunk symbols
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Merge tag 'kbuild-fixes-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Reformat nested if-conditionals in Makefiles with 4 spaces

 - Fix CONFIG_DEBUG_INFO_BTF builds for big endian

 - Fix modpost for module srcversion

 - Fix an escape sequence warning in gen_compile_commands.py

 - Fix kallsyms to ignore ARMv4 thunk symbols

* tag 'kbuild-fixes-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kallsyms: ignore ARMv4 thunks along with others
  modpost: trim leading spaces when processing source files list
  gen_compile_commands: fix invalid escape sequence warning
  kbuild: Fix changing ELF file type for output of gen_btf for big endian
  docs: kconfig: Fix grammar and formatting
  kbuild: use 4-space indentation when followed by conditionals
2024-02-18 10:09:25 -08:00
Linus Torvalds
ddac3d8b8a - Use a GB page for identity mapping only when memory of this size is
requested so that mapping of reserved regions is prevented which would
   otherwise lead to system crashes on UV machines
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Merge tag 'x86_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Borislav Petkov:

 - Use a GB page for identity mapping only when memory of this size is
   requested so that mapping of reserved regions is prevented which
   would otherwise lead to system crashes on UV machines

* tag 'x86_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
2024-02-18 09:22:48 -08:00
Linus Torvalds
7cb7c32d60 - Fix GICv4.1 affinity update
- Restore a quirk for ACPI-based GICv4 systems
 
 - Handle non-coherent GICv4 redistributors properly
 
 - Prevent spurious interrupts on Broadcom devices using GIC v3
   architecture
 
 - Other minor fixes
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Merge tag 'irq_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Borislav Petkov:

 - Fix GICv4.1 affinity update

 - Restore a quirk for ACPI-based GICv4 systems

 - Handle non-coherent GICv4 redistributors properly

 - Prevent spurious interrupts on Broadcom devices using GIC v3
   architecture

 - Other minor fixes

* tag 'irq_urgent_for_v6.8_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gic-v3-its: Fix GICv4.1 VPE affinity update
  irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems
  irqchip/gic-v3-its: Handle non-coherent GICv4 redistributors
  irqchip/qcom-mpm: Fix IS_ERR() vs NULL check in qcom_mpm_init()
  irqchip/loongson-eiointc: Use correct struct type in eiointc_domain_alloc()
  irqchip/irq-brcmstb-l2: Add write memory barrier before exit
2024-02-18 09:14:12 -08:00
Linus Torvalds
626721edee From Andi:
Three fixes are included here. Two are strictly hardware-related
 for the i801 and qcom-geni devices. Meanwhile, a fix from Arnd
 addresses a compilation error encountered during compile test on
 powerpc.
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Merge tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fixes from Wolfram Sang:
 "Two fixes for i801 and qcom-geni devices. Meanwhile, a fix from Arnd
  addresses a compilation error encountered during compile test on
  powerpc"

* tag 'i2c-for-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: i801: Fix block process call transactions
  i2c: pasemi: split driver into two separate modules
  i2c: qcom-geni: Correct I2C TRE sequence
2024-02-18 09:08:57 -08:00
Linus Torvalds
c02197fc90 powerpc fixes for 6.8 #3
- Fix ftrace bug on boot caused by exit text sections with -fpatchable-function-entry.
 
  - Fix accuracy of stolen time on pseries since the switch to VIRT_CPU_ACCOUNTING_GEN.
 
  - Fix a crash in the IOMMU code when doing DLPAR remove.
 
  - Set pt_regs->link on scv entry to fix BPF stack unwinding.
 
  - Add missing PPC_FEATURE_BOOKE on 64-bit e5500/e6500, which broke gdb.
 
  - Fix boot on some 6xx platforms with STRICT_KERNEL_RWX enabled.
 
  - Fix build failures with KASAN enabled and 32KB stack size.
 
  - Some other minor fixes.
 
 Thanks to: Arnd Bergmann, Benjamin Gray, Christophe Leroy, David Engraf, Gaurav
 Batra, Jason Gunthorpe, Jiangfeng Xiao, Matthias Schiffer, Nathan Lynch, Naveen
 N Rao, Nicholas Piggin, Nysal Jan K.A, R Nageswara Sastry, Shivaprasad G Bhat,
 Shrikanth Hegde, Spoorthy, Srikar Dronamraju, Venkat Rao Bagalkote.
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Merge tag 'powerpc-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "This is a bit of a big batch for rc4, but just due to holiday hangover
  and because I didn't send any fixes last week due to a late revert
  request. I think next week should be back to normal.

   - Fix ftrace bug on boot caused by exit text sections with
     '-fpatchable-function-entry'

   - Fix accuracy of stolen time on pseries since the switch to
     VIRT_CPU_ACCOUNTING_GEN

   - Fix a crash in the IOMMU code when doing DLPAR remove

   - Set pt_regs->link on scv entry to fix BPF stack unwinding

   - Add missing PPC_FEATURE_BOOKE on 64-bit e5500/e6500, which broke
     gdb

   - Fix boot on some 6xx platforms with STRICT_KERNEL_RWX enabled

   - Fix build failures with KASAN enabled and 32KB stack size

   - Some other minor fixes

  Thanks to Arnd Bergmann, Benjamin Gray, Christophe Leroy, David
  Engraf, Gaurav Batra, Jason Gunthorpe, Jiangfeng Xiao, Matthias
  Schiffer, Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nysal Jan K.A,
  R Nageswara Sastry, Shivaprasad G Bhat, Shrikanth Hegde, Spoorthy,
  Srikar Dronamraju, and Venkat Rao Bagalkote"

* tag 'powerpc-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach
  powerpc/pseries: fix accuracy of stolen time
  powerpc/ftrace: Ignore ftrace locations in exit text sections
  powerpc/cputable: Add missing PPC_FEATURE_BOOKE on PPC64 Book-E
  powerpc/kasan: Limit KASAN thread size increase to 32KB
  Revert "powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add"
  powerpc: 85xx: mark local functions static
  powerpc: udbg_memcons: mark functions static
  powerpc/kasan: Fix addr error caused by page alignment
  powerpc/6xx: set High BAT Enable flag on G2_LE cores
  selftests/powerpc/papr_vpd: Check devfd before get_system_loc_code()
  powerpc/64: Set task pt_regs->link to the LR value on scv entry
  powerpc/pseries/iommu: Fix iommu initialisation during DLPAR add
  powerpc/pseries/papr-sysparm: use u8 arrays for payloads
2024-02-17 16:59:31 -08:00
Linus Torvalds
f2667e0c32 bcachefs fixes for v6.8-rc5
Mostly pretty trivial, the user visible ones are:
  - don't barf when replicas_required > replicas
  - fix check_version_upgrade() so it doesn't do something nonsensical
    when we're downgrading
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Merge tag 'bcachefs-2024-02-17' of https://evilpiepirate.org/git/bcachefs

Pull bcachefs fixes from Kent Overstreet:
 "Mostly pretty trivial, the user visible ones are:

   - don't barf when replicas_required > replicas

   - fix check_version_upgrade() so it doesn't do something nonsensical
     when we're downgrading"

* tag 'bcachefs-2024-02-17' of https://evilpiepirate.org/git/bcachefs:
  bcachefs: Fix missing va_end()
  bcachefs: Fix check_version_upgrade()
  bcachefs: Clamp replicas_required to replicas
  bcachefs: fix missing endiannes conversion in sb_members
  bcachefs: fix kmemleak in __bch2_read_super error handling path
  bcachefs: Fix missing bch2_err_class() calls
2024-02-17 13:17:32 -08:00
Linus Torvalds
ced5905231 Driver core fixes for 6.8-rc5
Here are some driver core fixes, a kobject fix, and a documentation
 update for 6.8-rc5.  In detail these changes are:
   - devlink fixes for reported issues with 6.8-rc1
   - topology scheduling regression fix that has been reported by many
   - kobject loosening of checks change in -rc1 is now reverted as some
     codepaths seemed to need the checks
   - documentation update for the CVE process.  Has been reviewed by
     many, the last minute change to the document was to bring the .rst
     format back into the the new style rules, the contents did not
     change.
 
 All of these, except for the documentation update, have been in
 linux-next for over a week.  The documentation update has been reviewed
 for weeks by a group of developers, and in public for a week and the
 wording has stabilized for now.  If future changes are needed, we can do
 so before 6.8-final is out (or anytime after that.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some driver core fixes, a kobject fix, and a documentation
  update for 6.8-rc5. In detail these changes are:

   - devlink fixes for reported issues with 6.8-rc1

   - topology scheduling regression fix that has been reported by many

   - kobject loosening of checks change in -rc1 is now reverted as some
     codepaths seemed to need the checks

   - documentation update for the CVE process. Has been reviewed by
     many, the last minute change to the document was to bring the .rst
     format back into the the new style rules, the contents did not
     change.

  All of these, except for the documentation update, have been in
  linux-next for over a week. The documentation update has been reviewed
  for weeks by a group of developers, and in public for a week and the
  wording has stabilized for now. If future changes are needed, we can
  do so before 6.8-final is out (or anytime after that)"

* tag 'driver-core-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  Documentation: Document the Linux Kernel CVE process
  Revert "kobject: Remove redundant checks for whether ktype is NULL"
  driver core: fw_devlink: Improve logs for cycle detection
  driver core: fw_devlink: Improve detection of overlapping cycles
  driver core: Fix device_link_flag_is_sync_state_only()
  topology: Set capacity_freq_ref in all cases
2024-02-17 08:56:41 -08:00
Linus Torvalds
7efc0eb825 Char/Misc changes for 6.8-rc5
Here is a small set of char/misc and IIO driver fixes for 6.8-rc5
 
 Included in here are:
   - lots of iio driver fixes for reported issues
   - nvmem device naming fixup for reported problem
   - interconnect driver fixes for reported issues
 
 All of these have been in linux-next for a while with no reported the
 issues (the nvmem patch was included in a different branch in linux-next
 before sent to me for inclusion here.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / miscdriver fixes from Greg KH:
 "Here is a small set of char/misc and IIO driver fixes for 6.8-rc5.

  Included in here are:

   - lots of iio driver fixes for reported issues

   - nvmem device naming fixup for reported problem

   - interconnect driver fixes for reported issues

  All of these have been in linux-next for a while with no reported the
  issues (the nvmem patch was included in a different branch in
  linux-next before sent to me for inclusion here)"

* tag 'char-misc-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  nvmem: include bit index in cell sysfs file name
  iio: adc: ad4130: only set GPIO_CTRL if pin is unused
  iio: adc: ad4130: zero-initialize clock init data
  interconnect: qcom: x1e80100: Add missing ACV enable_mask
  interconnect: qcom: sm8650: Use correct ACV enable_mask
  iio: accel: bma400: Fix a compilation problem
  iio: commom: st_sensors: ensure proper DMA alignment
  iio: hid-sensor-als: Return 0 for HID_USAGE_SENSOR_TIME_TIMESTAMP
  iio: move LIGHT_UVA and LIGHT_UVB to the end of iio_modifier
  staging: iio: ad5933: fix type mismatch regression
  iio: humidity: hdc3020: fix temperature offset
  iio: adc: ad7091r8: Fix error code in ad7091r8_gpio_setup()
  iio: adc: ad_sigma_delta: ensure proper DMA alignment
  iio: imu: adis: ensure proper DMA alignment
  iio: humidity: hdc3020: Add Makefile, Kconfig and MAINTAINERS entry
  iio: imu: bno055: serdev requires REGMAP
  iio: magnetometer: rm3100: add boundary check for the value read from RM3100_REG_TMRC
  iio: pressure: bmp280: Add missing bmp085 to SPI id table
  iio: core: fix memleak in iio_device_register_sysfs
  interconnect: qcom: sm8550: Enable sync_state
  ...
2024-02-17 08:52:38 -08:00
Linus Torvalds
4b2981b227 TTY/Serial fixes for 6.8-rc5
Here are 3 small tty and serial driver fixes for 6.8-rc5:
   - revert a 8250_pci1xxxx off-by-one change that was incorrect
   - 2 changes to fix the transmit path of the mxs-auart driver, fixing a
     regression in the 6.2 release
 
 All of these have been in linux-next for over a week with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial fixes from Greg KH:
 "Here are three small tty and serial driver fixes for 6.8-rc5:

   - revert a 8250_pci1xxxx off-by-one change that was incorrect

   - two changes to fix the transmit path of the mxs-auart driver,
     fixing a regression in the 6.2 release

  All of these have been in linux-next for over a week with no reported
  issues"

* tag 'tty-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: mxs-auart: fix tx
  serial: core: introduce uart_port_tx_flags()
  serial: 8250_pci1xxxx: partially revert off by one patch
2024-02-17 08:46:57 -08:00
Linus Torvalds
a3a7d16274 USB/Thunderbolt fixes for 6.8-rc5
Here are 2 small fixes for 6.8-rc5:
   - thunderbolt to fix a reported issue on many platforms
   - dwc3 driver revert of a commit that caused problems in -rc1
 
 Both of these changes have been in linux-next for over a week with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt fixes from Greg KH:
 "Here are two small fixes for 6.8-rc5:

   - thunderbolt to fix a reported issue on many platforms

   - dwc3 driver revert of a commit that caused problems in -rc1

  Both of these changes have been in linux-next for over a week with no
  reported issues"

* tag 'usb-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  Revert "usb: dwc3: Support EBC feature of DWC_usb31"
  thunderbolt: Fix setting the CNS bit in ROUTER_CS_5
2024-02-17 08:44:55 -08:00
Linus Torvalds
ac00b6546d media fixes for v6.8-rc5
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Merge tag 'media/v6.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

 - regression fix for rkisp1 shared IRQ logic

 - fix atomisp breakage due to a kAPI change

 - permission fix for remote controller BPF support

 - memleak fix in ir_toy driver

 - Kconfig dependency fix for pwm-ir-rx

* tag 'media/v6.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: pwm-ir-tx: Depend on CONFIG_HIGH_RES_TIMERS
  media: ir_toy: fix a memleak in irtoy_tx
  media: rc: bpf attach/detach requires write permission
  media: atomisp: Adjust for v4l2_subdev_state handling changes in 6.8
  media: rkisp1: Fix IRQ handling due to shared interrupts
  media: Revert "media: rkisp1: Drop IRQF_SHARED"
2024-02-17 08:13:32 -08:00
Linus Torvalds
4a7571485c pci-v6.8-fixes-3
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Merge tag 'pci-v6.8-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fixes from Bjorn Helgaas:

 - Keep bridges in D0 if we need to poll downstream devices for PME to
   resolve a v6.6 regression where we failed to enumerate devices below
   bridges put in D3hot by runtime PM, e.g., NVMe drives connected via
   Thunderbolt or USB4 docks (Alex Williamson)

 - Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer

* tag 'pci-v6.8-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  MAINTAINERS: Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer
  PCI: Fix active state requirement in PME polling
2024-02-17 08:06:20 -08:00
Linus Torvalds
ad645dea35 Probes fixes for v6.8-rc4:
- tracing/probes: Fix BTF structure member finder to find the members
     which are placed after any anonymous union member correctly.
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Merge tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fix from Masami Hiramatsu:

 - tracing/probes: Fix BTF structure member finder to find the members
   which are placed after any anonymous union member correctly.

* tag 'probes-fixes-v6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/probes: Fix to search structure fields correctly
2024-02-17 07:59:47 -08:00
Linus Torvalds
55f626f2d0 Five smb3 client fixes, most also for stable
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Merge tag '6.8-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:
 "Five smb3 client fixes, most also for stable:

   - Two multichannel fixes (one to fix potential handle leak on retry)

   - Work around possible serious data corruption (due to change in
     folios in 6.3, for cases when non standard maximum write size
     negotiated)

   - Symlink creation fix

   - Multiuser automount fix"

* tag '6.8-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb: Fix regression in writes when non-standard maximum write size negotiated
  smb: client: handle path separator of created SMB symlinks
  smb: client: set correct id, uid and cruid for multiuser automounts
  cifs: update the same create_guid on replay
  cifs: fix underflow in parse_server_interfaces()
2024-02-17 07:56:10 -08:00
Greg Kroah-Hartman
5928d41155 Documentation: Document the Linux Kernel CVE process
The Linux kernel project now has the ability to assign CVEs to fixed
issues, so document the process and how individual developers can get a
CVE if one is not automatically assigned for their fixes.

Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/2024021731-essence-sadness-28fd@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-17 14:46:39 +01:00
Masami Hiramatsu (Google)
9704669c38 tracing/probes: Fix to search structure fields correctly
Fix to search a field from the structure which has anonymous union
correctly.
Since the reference `type` pointer was updated in the loop, the search
loop suddenly aborted where it hits an anonymous union. Thus it can not
find the field after the anonymous union. This avoids updating the
cursor `type` pointer in the loop.

Link: https://lore.kernel.org/all/170791694361.389532.10047514554799419688.stgit@devnote2/

Fixes: 302db0f5b3d8 ("tracing/probes: Add a function to search a member of a struct/union")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
2024-02-17 21:25:42 +09:00
Wolfram Sang
67ec505fae Merge tag 'i2c-host-fixes-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
Three fixes are included here. Two are strictly hardware-related
for the i801 and qcom-geni devices. Meanwhile, a fix from Arnd
addresses a compilation error encountered during compile test on
powerpc.
2024-02-17 13:13:33 +01:00
Siddharth Vadapalli
172c0cf519 MAINTAINERS: Add Siddharth Vadapalli as PCI TI DRA7XX/J721E reviewer
Since I have been contributing to the driver for a while and wish to help
with the review process, add myself as a reviewer.

Link: https://lore.kernel.org/r/20240216065926.473805-1-s-vadapalli@ti.com
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2024-02-16 16:42:59 -06:00
Linus Torvalds
c1ca10ceff SCSI fixes on 20240216
Three fixes: the two fnic ones are a revert and a refix, which is why
 the diffstat is a bit big.  The target one also extracts a function to
 add a check for configuration and so looks bigger than it is.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Three fixes: the two fnic ones are a revert and a refix, which is why
  the diffstat is a bit big. The target one also extracts a function to
  add a check for configuration and so looks bigger than it is"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: fnic: Move fnic_fnic_flush_tx() to a work queue
  scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock"
  scsi: target: Fix unmap setup during configuration
2024-02-16 14:05:02 -08:00
Linus Torvalds
975b26ab30 workqueue: Fixes for v6.8-rc4
Just one patch to revert ca10d851b9ad ("workqueue: Override implicit ordered
 attribute in workqueue_apply_unbound_cpumask()"). This could break ordering
 guarantee for ordered workqueues. The problem that the commit tried to
 resolve partially - making ordered workqueues follow unbound cpumask - is
 fully solved in wq/for-6.9 branch.
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Merge tag 'wq-for-6.8-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fix from Tejun Heo:
 "Just one patch to revert commit ca10d851b9ad ("workqueue: Override
  implicit ordered attribute in workqueue_apply_unbound_cpumask()").

  This commit could break ordering guarantees for ordered workqueues.
  The problem that the commit tried to resolve partially - making
  ordered workqueues follow unbound cpumask - is fully solved in
  wq/for-6.9 branch"

* tag 'wq-for-6.8-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  Revert "workqueue: Override implicit ordered attribute in workqueue_apply_unbound_cpumask()"
2024-02-16 14:00:19 -08:00
Linus Torvalds
7edfe0aaa6 block-6.8-2024-02-16
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Merge tag 'block-6.8-2024-02-16' of git://git.kernel.dk/linux

Pull block fixes from Jens Axboe:
 "Just an nvme pull request via Keith:

   - Fabrics connection error handling (Chaitanya)

   - Use relaxed effects to reduce unnecessary queue freezes (Keith)"

* tag 'block-6.8-2024-02-16' of git://git.kernel.dk/linux:
  nvmet: remove superfluous initialization
  nvme: implement support for relaxed effects
  nvme-fabrics: fix I/O connect error handling
2024-02-16 13:55:02 -08:00
Linus Torvalds
8096015082 io_uring-6.8-2024-02-16
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Merge tag 'io_uring-6.8-2024-02-16' of git://git.kernel.dk/linux

Pull io_uring fix from Jens Axboe:
 "Just a single fix for a regression in how overflow is handled for
  multishot accept requests"

* tag 'io_uring-6.8-2024-02-16' of git://git.kernel.dk/linux:
  io_uring/net: fix multishot accept overflow handling
2024-02-16 13:51:20 -08:00
Linus Torvalds
3f9c1b315d Additional cap handling fixes from Xiubo to avoid "client isn't
responding to mclientcaps(revoke)" stalls on the MDS side.
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Merge tag 'ceph-for-6.8-rc5' of https://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Additional cap handling fixes from Xiubo to avoid "client isn't
  responding to mclientcaps(revoke)" stalls on the MDS side"

* tag 'ceph-for-6.8-rc5' of https://github.com/ceph/ceph-client:
  ceph: add ceph_cap_unlink_work to fire check_caps() immediately
  ceph: always queue a writeback when revoking the Fb caps
2024-02-16 13:37:15 -08:00
Linus Torvalds
683b783c20 ARM:
* Avoid dropping the page refcount twice when freeing an unlinked
   page-table subtree.
 
 * Don't source the VFIO Kconfig twice
 
 * Fix protected-mode locking order between kvm and vcpus
 
 RISC-V:
 
 * Fix steal-time related sparse warnings
 
 x86:
 
 * Cleanup gtod_is_based_on_tsc() to return "bool" instead of an "int"
 
 * Make a KVM_REQ_NMI request while handling KVM_SET_VCPU_EVENTS if and only
   if the incoming events->nmi.pending is non-zero.  If the target vCPU is in
   the UNITIALIZED state, the spurious request will result in KVM exiting to
   userspace, which in turn causes QEMU to constantly acquire and release
   QEMU's global mutex, to the point where the BSP is unable to make forward
   progress.
 
 * Fix a type (u8 versus u64) goof that results in pmu->fixed_ctr_ctrl being
   incorrectly truncated, and ultimately causes KVM to think a fixed counter
   has already been disabled (KVM thinks the old value is '0').
 
 * Fix a stack leak in KVM_GET_MSRS where a failed MSR read from userspace
   that is ultimately ignored due to ignore_msrs=true doesn't zero the output
   as intended.
 
 Selftests cleanups and fixes:
 
 * Remove redundant newlines from error messages.
 
 * Delete an unused variable in the AMX test (which causes build failures when
   compiling with -Werror).
 
 * Fail instead of skipping tests if open(), e.g. of /dev/kvm, fails with an
   error code other than ENOENT (a Hyper-V selftest bug resulted in an EMFILE,
   and the test eventually got skipped).
 
 * Fix TSC related bugs in several Hyper-V selftests.
 
 * Fix a bug in the dirty ring logging test where a sem_post() could be left
   pending across multiple runs, resulting in incorrect synchronization between
   the main thread and the vCPU worker thread.
 
 * Relax the dirty log split test's assertions on 4KiB mappings to fix false
   positives due to the number of mappings for memslot 0 (used for code and
   data that is NOT being dirty logged) changing, e.g. due to NUMA balancing.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "ARM:

   - Avoid dropping the page refcount twice when freeing an unlinked
     page-table subtree.

   - Don't source the VFIO Kconfig twice

   - Fix protected-mode locking order between kvm and vcpus

  RISC-V:

   - Fix steal-time related sparse warnings

  x86:

   - Cleanup gtod_is_based_on_tsc() to return "bool" instead of an "int"

   - Make a KVM_REQ_NMI request while handling KVM_SET_VCPU_EVENTS if
     and only if the incoming events->nmi.pending is non-zero. If the
     target vCPU is in the UNITIALIZED state, the spurious request will
     result in KVM exiting to userspace, which in turn causes QEMU to
     constantly acquire and release QEMU's global mutex, to the point
     where the BSP is unable to make forward progress.

   - Fix a type (u8 versus u64) goof that results in pmu->fixed_ctr_ctrl
     being incorrectly truncated, and ultimately causes KVM to think a
     fixed counter has already been disabled (KVM thinks the old value
     is '0').

   - Fix a stack leak in KVM_GET_MSRS where a failed MSR read from
     userspace that is ultimately ignored due to ignore_msrs=true
     doesn't zero the output as intended.

  Selftests cleanups and fixes:

   - Remove redundant newlines from error messages.

   - Delete an unused variable in the AMX test (which causes build
     failures when compiling with -Werror).

   - Fail instead of skipping tests if open(), e.g. of /dev/kvm, fails
     with an error code other than ENOENT (a Hyper-V selftest bug
     resulted in an EMFILE, and the test eventually got skipped).

   - Fix TSC related bugs in several Hyper-V selftests.

   - Fix a bug in the dirty ring logging test where a sem_post() could
     be left pending across multiple runs, resulting in incorrect
     synchronization between the main thread and the vCPU worker thread.

   - Relax the dirty log split test's assertions on 4KiB mappings to fix
     false positives due to the number of mappings for memslot 0 (used
     for code and data that is NOT being dirty logged) changing, e.g.
     due to NUMA balancing"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (25 commits)
  KVM: arm64: Fix double-free following kvm_pgtable_stage2_free_unlinked()
  RISC-V: KVM: Use correct restricted types
  RISC-V: paravirt: Use correct restricted types
  RISC-V: paravirt: steal_time should be static
  KVM: selftests: Don't assert on exact number of 4KiB in dirty log split test
  KVM: selftests: Fix a semaphore imbalance in the dirty ring logging test
  KVM: x86: Fix KVM_GET_MSRS stack info leak
  KVM: arm64: Do not source virt/lib/Kconfig twice
  KVM: x86/pmu: Fix type length error when reading pmu->fixed_ctr_ctrl
  KVM: x86: Make gtod_is_based_on_tsc() return 'bool'
  KVM: selftests: Make hyperv_clock require TSC based system clocksource
  KVM: selftests: Run clocksource dependent tests with hyperv_clocksource_tsc_page too
  KVM: selftests: Use generic sys_clocksource_is_tsc() in vmx_nested_tsc_scaling_test
  KVM: selftests: Generalize check_clocksource() from kvm_clock_test
  KVM: x86: make KVM_REQ_NMI request iff NMI pending for vcpu
  KVM: arm64: Fix circular locking dependency
  KVM: selftests: Fail tests when open() fails with !ENOENT
  KVM: selftests: Avoid infinite loop in hyperv_features when invtsc is missing
  KVM: selftests: Delete superfluous, unused "stage" variable in AMX test
  KVM: selftests: x86_64: Remove redundant newlines
  ...
2024-02-16 10:48:14 -08:00